Features of ODM&OEM DIN137 Steel Lock Washer/Spring Washer:1. Certifications: ISO, TUV2. Available Standard: DIN, ISO, ANSI, JIS, BS, UNI,NFE3. Available Material: Carbon Steel, Stainless Steel4. Size:M3-M305. Surface Treatments:Black Finishing6. Production Ability: 5000000 pcs / Month 7. MOQ: 1000pcs8. Port:Shanghai9. Packaging:Carton Box or Customized As Per Clients' Requirement10. Payment Term: L/C, T/T, D/P, Western Union, Paypal, Money Gram, OthersWhat can you get from the Washer ?1. Efficient Leading Time: 3-20 working days for the stocked size or based on the specific order quantities.2. Samples can be free for the standard size within 7 days with available.3. Certifications & MTC report can be shown together with the Samples&Mass production.4. Right quality with the reasonable offer, OEM &ODM designs are acceptable.5. We are fighting for NO.1 in industry.For the fast results, when requesting a quote:1.Please email to us as much information as possible,it will be helpful for us to quote accurate price.2.Please include quantities required, material requirements,dimension,surface treatments,any special needs or details, packing details and shipping requirements, lead time requirements, quotation time ... etc.3.We will acknowledge receiving your quote request ASAP, via fax or email.